@Pjn26
Pujan Parekh
@Pjn26
Joined December 2025
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Pujan Parekh's blogs
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TCP Working: 3-Way Handshake & Reliable Communication
Feb 1 · 4 min read · When you send data over the internet—open a website, download a file, or send an email—you expect the data to arrive completely, correctly, and in order. But what if the internet had no rules? Data packets could: arrive out of order get lost midway...
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TCP vs UDP: When to Use What, and How TCP Relates to HTTP
Feb 1 · 4 min read · When we use the internet—open a website, watch a video, make a call, or play a game—we rarely think about how data actually travels from one place to another. But behind the scenes, the internet works only because it follows rules. Without rules, sen...
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Getting Started with cURL
Jan 31 · 2 min read · What is cURL ? cURL is a tool that lets you send messages to a server from the terminal. Think of it like this: Browser → talks to server with buttons and UI cURL → talks to server using commands Why Programmers Need cURL Programmers use cURL bec...
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